@sonicview 

My experience with MR6400 V5 is after all positive, with the latest beta with the time-stamp 2020-12-08 at the end of the file name.

Before the beta I faced the same issue that router rarely connected to 4G.

It is actually not these router's fault, mostly.

The device chooses the mast and band with the strongest signal, no matter how crowded or inferior bandwidth it transmits.

The bands at lower frequences (especially ex-GSM freqs like B20) spread easier and further, therefore it has better signal strength, however it tends to be less speedy and more crowded anyway as most devices in the area find it to be the strongest signal.

I doubt that reboot of the router would be the remedy.

With manual band selection I was able to test each available band's behavior in the location and chose the one with the best speed, not the strongest signal.

It should be at least at 50% or rather 75% to be steady though.

Recently I installed the app Cellmapper on my smartphone and checked the connection in several places I tend to visit and it went crazy on my phone showing switching between masts all the time. Sometimes it chose a distant mast instead of the closest with stronger signal.

So, don't immediately blame your router, your mobile service provider has a lot to do with this, it can use some obscure algorithm to distribute clients between masts.

I suggest you to reset your router (maybe multiple times) before trying the firmware upgrade or downgrade. Also try different browsers to enter the configuration page.

john.awad wrote

@kernash 

 

Thanks for checking. They didn't move it from Basic to Advanced settings by any chance?

No unfortunately not.

@TP-Link Why is band selection available for regular firmware in MR600 v2, but still not for MR600 v1?

(Better late than never) Thanks @tplink for the last official firmware release (MR600.V1 EU). Work perfectly since I updated my router (no more disconnections + SMS fixed). 

I was using the beta firmware, the new version was not reported to me. Thanks for giving this information.

I downloaded and installed this v1.3.0_0.9.1_[210608-rc66100]. Alas, no more manual configration of the bands. I hope now the connection of Archer 600v1 will still 100% stable.

@TP-Link Why is band selection available for regular firmware in MR600 v2, but still not for MR600 v1?

@kernash 

Hi, MR600 v2 does support Band Selection feature already, you can check the original post in this thread.

@Kevin_Z 

Why is band selection available in regular firmware for MR600 v2, but still not available in regular firmware for MR600 v1?

Hi @Kevin_Z ,

After upgraded, only 1 band is allowed to lock instead of 2..

Need to make a selection either for band 3 or band 7.

Mine:

Hardware version

Archer MR400 V3

Could you please do help and advise on this matter.

Thanks.

@Stox 

"SMS fixed"

What you mean?

Do you all your SMS in Advanced / SMS / Inbox?

i dont.

I see only a new SMS in Basic / NetworkMap and can only read the SMS once.